Home / 29,369.59-40,529.89-15,940.72

Finding the Fourth Proportional to 29,369.59, 40,529.89 and 15,940.72

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Solution

The fourth proportional to 29,369.59, 40,529.89 and 15,940.72 is: 21,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.59 : 40,529.89 = 15,940.72 : x
  2. Step 2: Convert to fraction form
    29,369.59/40,529.89 = 15,940.72/x
  3. Step 3: Cross multiply
    29,369.59x = 40,529.89 × 15,940.72
  4. Step 4: Simplify right side
    29,369.59x = 646,075,857.53
  5. Step 5: Solve for x
    x = 646,075,857.53/29,369.59
  6. Step 6: Final answer
    x = 21,998.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.